@article{MAN_1976__224_162904,
     author = {S. Raghavan},
     title = {Cusp {Forms} of {Degree} 2 and {Weight} 3.},
     journal = {Mathematische Annalen},
     pages = {149--156},
     publisher = {mathdoc},
     volume = {224},
     year = {1976},
     zbl = {0335.10030},
     url = {http://geodesic.mathdoc.fr/item/MAN_1976__224_162904/}
}